Fixed issue with the user initialization with and without backplane
[Tests] Minor improvements
Added comment
Revert "Revert "Merge branch 'safin/f1215-time-issue' into rc3.0.8""

This reverts commit 9dd204d9d0bbe100712914e7992bdd4cbf4c8e90.
[Docs] Fixed label name
[Docs] Hide unnecessary labels for parent Controls
Fixed getting location.origin for IE
Remove scheme when preprocessing URLs from environment config
Test user avatar URL is changed to simpler one
Typo fixes
Slightly increase test timeout because it requires more time with real requests
Fix avatar URL in the fixture
Calculate "secure" flag value from the prepared URL
Implemented additional logic to hide "More" button
Set HTTPS by default for backplane, whoami, submit, logout endpoints
Use correct URL
[Tests] Check if "More" button is hidden if necessary
[Tests] minor improvement
Add mechanism to control whether requests to some endpoints use secure protocol
Update dead links in docs